content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.consumers;
  
  import hu.akarnokd.reactive4javaflow.*;
  import hu.akarnokd.reactive4javaflow.errors.CompositeThrowable;
  import hu.akarnokd.reactive4javaflow.functionals.*;
  import hu.akarnokd.reactive4javaflow.impl.SubscriptionHelper;
  
  import java.util.concurrent.Flow;
  import java.util.concurrent.atomic.AtomicReference;
  
  public final class LambdaConsumer<T> extends AtomicReference<Flow.Subscription> implements FolyamSubscriber<T>, AutoDisposable {
  
      final CheckedConsumer<? super T> onNext;
  
      final CheckedConsumer<? super Throwable> onError;
  
      final CheckedRunnable onComplete;
  
      final CheckedConsumer<? super Flow.Subscription> onSubscribe;
  
      boolean done;
  
      public LambdaConsumer(CheckedConsumer<? super T> onNext, CheckedConsumer<? super Throwable> onError, CheckedRunnable onComplete, CheckedConsumer<? super Flow.Subscription> onSubscribe) {
          this.onNext = onNext;
          this.onError = onError;
          this.onComplete = onComplete;
          this.onSubscribe = onSubscribe;
      }
  
      @Override
      public void onSubscribe(Flow.Subscription subscription) {
          if (SubscriptionHelper.replace(this, subscription)) {
              try {
                  onSubscribe.accept(subscription);
              } catch (Throwable ex) {
                  FolyamPlugins.handleFatal(ex);
                  subscription.cancel();
                  onError(ex);
              }
          }
      }
  
      @Override
      public void onNext(T item) {
          if (done) {
              return;
          }
  
          try {
              onNext.accept(item);
          } catch (Throwable ex) {
              FolyamPlugins.handleFatal(ex);
              getPlain().cancel();
              onError(ex);
          }
      }
  
      @Override
      public void onError(Throwable throwable) {
          if (done) {
              FolyamPlugins.onError(throwable);
              return;
          }
          done = true;
          try {
              onError.accept(throwable);
          } catch (Throwable ex) {
              FolyamPlugins.handleFatal(ex);
              FolyamPlugins.onError(new CompositeThrowable(throwable, ex));
          }
      }
  
      @Override
      public void onComplete() {
          if (done) {
              return;
          }
          done = true;
          try {
              onComplete.run();
          } catch (Throwable ex) {
              FolyamPlugins.handleFatal(ex);
              FolyamPlugins.onError(ex);
          }
      }
  
      @Override
      public void close() {
          SubscriptionHelper.cancel(this);
      }
  }
  